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Christie Brinkley’s estranged husband, Peter Cook, has reached a settlement with Diana Bianchi, the teenager he had an affair with soon after he hired her as an assistant in his office.

Lawyers involved in the matter declined to disclose the details of the settlement. Rosemarie Arnold, the attorney for Diana Bianchi, would only say, “The matter has been resolved.”

Peter Cook‘s attorney, Kathleen McKenna, did not return calls.

The Long Island architect’s scandalous affair with Bianchi, who is now 20, led to the breakup of his 10-year marriage to Christie Brinkley, 53, last July.

The supermodel and mother of Alexa Ray Joel – as well as two younger kids with Cook – is still working out the details of her divorce and the couple is due back in court next month.

Despite the unthinkable heartbreak and humiliation she suffered, so far, Brinkley’s only revenge has been a positive attitude. And a divorce, of course.

It was a saga that makes this week’s Alec Baldwin voicemail rant seem tame. Well, sort of. But she’s moving on. Though Arnold declined to disclose any details, her partner, high-powered lawyer Joe Tacopina, said last August:

“What [Peter Cook] did is prey on an 18-year-old girl. It’s a textbook case of why an employer is not supposed to carry on a relationship with an employee.”

Think about that, Britney Spears, the next time you feel like you want to seduce one of your backup dancers. Be strong, girl. You can handle it.